I, worktable is mated with rolling guide way which has high efficiency and long service life.2.main motion is driven by A.C servo motor, which has two mechnical stepless speed.3.tool post adopt T type slide ram and electric power tool post or square slide ram- single tool holder.4.worktable is mated with manual four jaw chuck, hydraulic chuck is optional.5.the machine can be mated with coolant system, automatic chip conveyer and whole closed cover.6.manual type is controled by PLC, hand touched LCD screen and manul pulse.7.the guide way of cross girder and vertical column are hardened and ground.8.CNC type can mated with grating ruler.